| Andrew & Friends - 90 Day Challenge | Lachine | Beauty Salon Equipment & Supplies |
| Anixia | Lachine | Calendars |
| Anjou Technologies Inc | Marieville | Plumbing |
| Annie Cyr Conseillère Indépendante Scentsy | Lachine | Aromatherapy |
| Aqua Viva | Montréal | Plumbing |
| Aquabrass Inc | Montréal | Plumbing |
| Aquaduct Plumbing And Heating | Montréal | Plumbing |
| Aqualine Plumbing Montréal | Montréal | Plumbing |
| Arachides Dépôt et Plus | Chambly | Bulk Foods |
| ARCHIVES IRON MOUNTAIN | Lachine | Information Technologies (IT) |
Publicité (Desktop) Publicité (Mobile) |
| Arena Pizzeria | Lachine | Pizza & Pizzerias |
| Arena Tasty Pizzeria Lachine Restaurant | Lachine | Pizza & Pizzerias |
| ARJ Construction | Pointe-Aux-Trembles | Plumbing |
| Armstrong Darling Inc | Anjou | Plumbing |
| Arrondissement de Lachine | Montréal | Tout Informations générales |
| Arrondissement de Lachine | Lachine | Not Profit, library |
| Art Forge | Lachine | Art Foundries |
| Ashley's Little Gift Shop | Lachine | Candles |
| Association des Techniciens en Sant... | Lachine | Tout Entreprises et services |
| Assurance123.ca | Lachine | Tout Entreprises et services |
Publicité (Desktop) Publicité (Mobile) |
| Atanas Plomberie Et Chauffage | Montréal | Plumbing |
| Atanas-Plumbing & Heating | Montréal | Plumbing |
| Atelier D'Art Y Beaupré | Chambly | Arts & Crafts Classes & Schools |
| Atelier De Mlle Coco (L) | Chambly | Arts & Crafts Stores |
| Atelier Réparation Fabien Pelletier | Chambly | Balancing Service |
| Ateliers Mobiles Compagnie Centrale de Plomberie & Chauffage (1981) Co Ltée | Montréal | Plumbing |
| Audioprothésiste Aida Calderon | Chambly | Audiologists |
| Audrey Plomberie Chauffage Inc | Montréal | Plumbing |
| Auto Camping | Lachine | Auto Part Manufacturers & Wholesalers |
| Auto Kool | Lachine | Auto Part Manufacturers & Wholesalers |
Publicité (Desktop) Publicité (Mobile) |
| Auto Shaltas Garage Inc | Lachine | Auto Body Shop |
| Autobus Montroyal Inc | Lachine | Chauffeur Services |
| Automaticash | Lachine | Automated Teller Manufacturers & Wholesalers |
| Autos Internationales Lachine | Lachine | Tout Commerces au détail |
| Avantage L C Inc | Chambly | Bookkeeping Software & Accounting Systems |
| Avenant SST Inc | Lachine | Health Services |
| Avenir Plomberie | Montréal | Plumbing |
| Aéro-Mag 2000 Inc | Lachine | Aircraft Maintenance, Service & Storage |
| Bab | Mont-Royal | Plumbing |
| Back Flow Plumbing | Montréal | Plumbing |
Publicité (Desktop) Publicité (Mobile) |
| Backfloshop | Montréal | Plumbing |
| Bar Le Griffon | Lachine | Brasseries |
| Bar Le Griffon | Lachine | Brasseries |
| Bardeco | Lachine | Tout Bars et restaurants |
| Bariatrix Nutrition | Lachine | Tout Entreprises et services |
| Barrette & Associés | Lachine | Tout Entreprises et services |
| Bastien Mario Plomberie Enr | Montréal | Plumbing |
| Bb Plumbing Supply | Mont-Royal | Plumbing |
| Bel Egoût Inc | Montréal | Plumbing |
| Belanger Upt | Montréal | Plumbing |
